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* feat(plugins): keyed persistence API for per-context LWW (Stage A Phase 1+3) Add an optional `key` argument to `persistDataSynced` / `loadSyncedData`, composed at the bridge transport boundary into `pluginId:key` entity ids. Distinct keys now produce distinct ops that LWW-resolve per-entity, enabling document-mode-style plugins to avoid cross-context blob overwrites without changing existing keyless callers. Phase 3: `removePluginUserData(pluginId)` now sweeps the full prefix (legacy entry + every keyed entry), dispatching one delete per match with the rule-6 setTimeout(0) trailer so remote replicas don't keep keyed entries after uninstall. The reducer-only "smart prefix match" shortcut is wrong (one op for the prefix only, remote keyed entries leak) — see docs/plans/2026-05-23-stage-a-keyed-plugin-persistence.md Phase 3. Phase 4 (document-mode plugin-side migration of the legacy single-blob entry) is left as a separate follow-up so the host change can be reviewed in isolation. Issue #7749 * feat(document-mode): migrate to keyed persistence (Stage A Phase 4) Move from one synced blob under the bare plugin id to per-entity keyed entries: - meta — { enabledCtxIds: string[] }, owned by background.ts - doc:${ctxId} — one entry per context, owned by the editor iframe - __meta__ — migration stamp Each entry has its own LWW timestamp on the host, so a concurrent edit in project A on Device 1 and project B on Device 2 no longer whole-blob-collide. The migration runs idempotently from both background.ts and editor.ts (stamp-guarded), splits the legacy single blob into keyed entries, then tombstones the legacy entry with an empty payload — giving LWW a winning side against any offline device that still writes the old shape. flushSave / flushSaveSync no longer need to read+merge sibling state, since each context's entry stands alone. The future-version blob guard (isStorageUnreadable) is dropped — it referenced the wrapping blob's version, which no longer exists; per-doc corruption still falls back via isDocCorrupt. Issue #7749 * fix(plugins): tighten Stage A keyspace at the boundaries Multi-review surfaced three small gaps in the keyed-persistence rollout: - The synchronous composeId throw covers the bridge's iframe and direct-API entry points, but three in-process callers (plugin-config.service, plugin.service, plugin-config-dialog) bypass the bridge and route directly into the persistence service. A user-installed plugin with `id: "evil:plugin"` passed manifest validation and would have collided with the legitimate `evil` plugin's keyed namespace — `removePluginUserData('evil')` would have over-matched the sweep. Reject the colon at install time in `validatePluginManifest`; keep the bridge throw as defense-in-depth. - The new `key` arg at the bridge was typia-asserted on `data` but unchecked itself. A compromised iframe could pass a multi-megabyte string or a non-string value via postMessage. `data` is capped at 1 MB, but the entity id composed from `key` would be stored verbatim in NgRx state, IndexedDB, the op-log, and on the sync wire — bypassing the data cap. Add `assertPluginPersistenceKey` with a 256-char cap. - `_loadPersistedData` silently returned `null` when composeId threw, while `_persistDataSynced` rethrew. The asymmetry made a malformed pluginId look like "no data yet" on the load side, indistinguishable from a fresh install. Hoist composeId + key validation out of the load try/catch so it throws symmetrically. Issue #7749 * fix(plugins): lower per-write cap to 256 KB The pre-Stage-A 1 MB cap was sized for the old single-blob shape, where one entry held every context's data. With the keyed split, each entity gets its own write budget — 1 MB per write is wildly over-provisioned for the realistic upper bound of plugin payloads (heavy document-mode docs ~30–100 KB, configs and automations KB-scale). 256 KB keeps 2–5× headroom over realistic payloads while bounding the per-plugin storage growth more tightly. Document-mode's migration loop now skips oversized legacy docs instead of aborting the whole run: a user whose legacy blob holds one ~500 KB doc (legal under the old cap) keeps the other contexts migrated and the original bytes preserved in the legacy entry. The success stamp stays at migrated:0 in that case so a future build (or pruning of the doc) can complete the migration without data loss. Issue #7749 * test(plugins): e2e migration of legacy single-blob to keyed entries The migration logic in document-mode is unit-tested against a mock PluginAPI, which can't catch real-iframe quirks (postMessage handling of undefined second args, commit-chain timing under the host's per-entity rate limiter, hydration ordering against the op-log). Add two end-to-end scenarios: - Fresh install: enable the plugin, verify the __meta__ stamp lands at migrated:1 (the migration's final write — observing it implies every earlier step completed). - Legacy blob: seed a pre-Stage-A single-blob entry via the e2e helper store, enable the plugin, verify the legacy entry is tombstoned, meta carries the enabledCtxIds, and each doc landed under its own doc:${ctxId} key. Issue #7749 * chore(plugins): drop dead code and review-driven polish Four small follow-ups from the multi-review pass: - Don't log the plugin-supplied `key` value. Plugins may use user content (search queries, doc titles) as keys; the log history is exportable. Log `keyLen` instead, per CLAUDE.md rule 9. - Delete `detectStaleLegacyWrite` and its 3 specs. Exported and fully tested, but zero non-test callers — banner UI is forbidden by project convention for transient-only messaging. If the need resurfaces, the implementation is four lines. - Drop the `attemptedAt` field from `MigrationStamp`. It was written but never read; the success stamp is the only re-entry gate, and the resume path is just "re-run the loop" — re-writes are content- idempotent. Saves one rate-limited write per fresh migration. - Update `docs/plans/2026-05-23-stage-a-keyed-plugin-persistence.md` with an implementation-status table referencing the shipping commits, so future readers don't have to dig through git. Issue #7749 |
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